Goodbye Bad Romance, hello engagement! Lady Gaga took to Instagram to announce her Valentine’s Day engagement to long-term boyfriend, Taylor Kinney. Alongside a picture of her heart-shaped engagement ring (reportedly worth $500,000!), Gaga wrote 'He gave me his heart on Valentine's Day, and I said YES!'ICONIC WEDDING DRESSESCELEBRITY BRIDESMAIDS20 THINGS EVERY BRIDE SHOULD KNOW